Svejt otto piehl



S. 0. PIEHL.

HATCHET, WEDGBAND SIMILAR TOOL. M'PHCATION HLED NHL 1. 19:9.

1 321.143. Patented Nov. 11, 1919:

UNITED STATES PATENT OFFICE,

HATCHET, WEDGE. AND SIMILAR TOOL. I 4

Specification of Lettu'l Patent. Patgntd Nov, 11, 1919 Application ma larch 7, 191a. sum irpfaum a.

the longityclinal edg sj'f lire .ipunded for '1 all wlwm. it may rout-rm:

' facilitating the dritnng' in: of the'hatlchet.

Be it known that l Sn-zx (h'ro PIEHL, a snhji-rt of the king of Sweden, residing at The screw-form Is obtained by wrestling 9!) (lfitgntun, Stockholm. Sweden, have inthe opposite longitudinal facespf a. toolof u-ntml msrtnin now and useful In: rqveordinary constrnctionyas shown M12 and 3', moms in llnlcllt'la, \Votlgvs, and Sunihir for a-portion-of'thir'length,whil at the= Tools, of whirl: the following is u s mcificnsl me tnng the cutting edge 4 is maintained its an ordinary ed e, that 18 to say, its p tion. a

The prcsrnt invention lugs for its object loalgitnthtlal' n'cqs lie in aplnno pamiigl. an improvnnmitin hntchnts, wed es and with" elunrecvssed portions of the op site longitudinal! faces of the tool.

By-thls arrangemqnt-the splitting of wood -.*|ml the like can be performed more easilythan he'retofom,

similar tools \rlu-rvhy such tools 0 itnin a glmttcr-zn-tiou. so that such work as splitting wood, timber and the like me. be more I (cording t-nsy performed thnn hitln-rto; to tho present invention this advantage is the slipp ng surface qfthe tool iiopnniderobtained by giving the sides of the tools at nhly dnmmshed.

clizimi" A tool owing a butting eclgi:- two 0 site longitudinal faces of said toiil-being resh'ed for a pnrt,of their let: in so that a,

ililrction of the driving of tho tool. It is.bo u uhscrivtl that the rt-lntion of the cutting long tudinal twist is nnpartql therqta, the

extending. along 'a. rettain edge of the tool to tho h'ltltlS of the latter is utting edgev I thi-reforiumlisturluwl and mains thnsame lengthin a plane parallel with the un as in tho ordinary tool. reccswl portions of the opposite longitudi- In the accompanying .tlruwing a hatchet nal faces of the 00L. 1 ntcoriling to tho invention is illustrated in In testimony-whereof I 'atlix n'iy sigmitnrq Figure I, while Fig. 2 isacross-scction along p wenee (If t o witnesses. j the lino ll-II (Fig. 1). l SVEN OTTO PIEHL.-

As may he 500" from the drawing, the Witnesses; sidvs of the hull-hot are slightly snrcw- JACOB BAQIGE,

slight .scmw-form through 3' portion of their len th only Ill ruu-h n nuumcr that the axis of he scrrw ln-ronu-s parallel u'lth the formed, and fnrtln-rmoru two or more of and this for th rasonthat; 

